Abstract

By using a solid-state reaction method, new ceramics compounds Co2NdNbO6 were synthesized. These compounds consisted of two phases and had a stable structure. The relation of dielectric constant (ε r), relative density, grain size, and polarizability were discussed. The quality factor (Q f) values were strongly affected by the density, and a sudden decrease of the density can lead to the decline of the Q f values. The ceramics possessed a dielectric constant ε r value of 17.62, a Q f value of 12,200 GHz and a temperature coefficient τ f value of −65.98 ppm/°C at 1200 °C for 4 h.

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